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Referring to the null object in Python
... Python; instead there's None. As stated already, the most accurate way to test that something has been given None as a value is to use the is identity operator, which tests that two variables refer to the same object.
>>> foo is None
True
>>> foo = 'bar'
>>> foo is None
F...
Java OCR implementation [closed]
...
We have tested a few OCR engines with Java like Tesseract,Asprise, Abbyy etc. In our analysis, Abbyy gave the best results.
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iOS 7 sizeWithAttributes: replacement for sizeWithFont:constrainedToSize
...ngRect(
with: CGSize(width: width, height: CGFloat.greatestFiniteMagnitude),
options: NSStringDrawingOptions.usesLineFragmentOrigin,
attributes: attributes as [NSAttributedString.Key : Any], context: nil)
...
How do I parse command line arguments in Bash?
...ready3 that no GNU system is missing this (e.g. any Linux has it).
You can test for its existence with: getopt --test → return value 4.
Other getopt or shell-builtin getopts are of limited use.
The following calls
myscript -vfd ./foo/bar/someFile -o /fizz/someOtherFile
myscript -v -f -d -o/fizz...
ITunes review URL and iOS 7 (ask user to rate our app) AppStore show a blank page
... It correctly works on both iPhone and iPad in iOS 8.3. Just tested :) Thank you!
– alones
May 11 '15 at 7:57
2
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How to get the caller's method name in the called method?
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@ankostis do you have some test code to prove that?
– anatoly techtonik
Dec 15 '16 at 16:17
1
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How are msys, msys2, and msysgit related to each other?
...rs for MinGW-w64 toolchains) as a recent fork of Cygwin which tracks the latest Cygwin closely so that it doesn't end up out of date. Alexey forward ported the old MSYS patches and added some of his own.
As well as providing the necessary Unix tools with which to compile native software - the state...
Pickle incompatibility of numpy arrays between Python 2 and 3
...thon 3. I tried loading the MNIST dataset with
train_set, valid_set, test_set = pickle.load(file, encoding='iso-8859-1')
and it worked for Python 3.5.2
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Get pandas.read_csv to read empty values as empty string instead of nan
...e it's missing this flag. For this example, you could use pandas.read_csv('test.csv',na_values=['nan'], keep_default_na=False).
– Michael Delgado
Sep 30 '15 at 20:17
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How to avoid explicit 'self' in Python?
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You can use whatever name you want, for example
class test(object):
def function(this, variable):
this.variable = variable
or even
class test(object):
def function(s, variable):
s.variable = variable
but you are stuck with using a name for the scope....